Tank



FIG. 1 is a top perspective view of a tank showing the new design;

FIG. 2 is a bottom perspective view of the tank of FIG. 1;

FIG. 3 is a right side elevation view of the tank of FIG. 1;

FIG. 4 is a left side elevation view of the tank of FIG. 1;

FIG. 5 is a top plan view of the tank of FIG. 1;

FIG. 6 is a bottom plan view of the tank of FIG. 1;

FIG. 7 is a front elevation view of the tank of FIG. 1; and,

FIG. 8 is a rear elevation view of the tank of FIG. 1.

The broken lines in the drawings illustrate portions of the tank thatform no part of the claimed design.

CLAIM I claim the ornamental design for a tank, as shown and described.